#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#include "gdl-i18n.h"

#include <string.h>

#include <gdk/gdkkeysyms.h>

#include "gdl-tools.h"

#include "gdl-dock.h"

#include "gdl-dock-item.h"

#include "gdl-dock-item-grip.h"

#include "gdl-dock-notebook.h"

#include "gdl-dock-paned.h"

#include "gdl-dock-tablabel.h"

#include "gdl-dock-placeholder.h"

#include "gdl-dock-master.h"

#include "libgdltypebuiltins.h"

#include "libgdlmarshal.h"

#define NEW_DOCK_ITEM_RATIO 0.3

static void gdl_dock_item_class_init (GdlDockItemClass *class);

static void gdl_dock_item_instance_init (GdlDockItem *item);

static GObject *gdl_dock_item_constructor (GType type,

guint n_construct_properties,

GObjectConstructParam *construct_param);

static void gdl_dock_item_set_property (GObject *object,

guint prop_id,

const GValue *value,

GParamSpec *pspec);

static void gdl_dock_item_get_property (GObject *object,

guint prop_id,

GValue *value,

GParamSpec *pspec);

static void gdl_dock_item_destroy (GtkObject *object);

static void gdl_dock_item_add (GtkContainer *container,

GtkWidget *widget);

static void gdl_dock_item_remove (GtkContainer *container,

GtkWidget *widget);

static void gdl_dock_item_forall (GtkContainer *container,

gboolean include_internals,

GtkCallback callback,

gpointer callback_data);

static GType gdl_dock_item_child_type (GtkContainer *container);

static void gdl_dock_item_set_focus_child (GtkContainer *container,

GtkWidget *widget);

static void gdl_dock_item_size_request (GtkWidget *widget,

GtkRequisition *requisition);

static void gdl_dock_item_size_allocate (GtkWidget *widget,

GtkAllocation *allocation);

static void gdl_dock_item_map (GtkWidget *widget);

static void gdl_dock_item_unmap (GtkWidget *widget);

static void gdl_dock_item_realize (GtkWidget *widget);

static void gdl_dock_item_style_set (GtkWidget *widget,

GtkStyle *previous_style);

static gint gdl_dock_item_expose (GtkWidget *widget,

GdkEventExpose *event);

static void gdl_dock_item_move_focus_child (GdlDockItem *item,

GtkDirectionType dir);

static gint gdl_dock_item_button_changed (GtkWidget *widget,

GdkEventButton *event);

static gint gdl_dock_item_motion (GtkWidget *widget,

GdkEventMotion *event);

static gboolean gdl_dock_item_key_press (GtkWidget *widget,

GdkEventKey *event);

static gboolean gdl_dock_item_dock_request (GdlDockObject *object,

gint x,

gint y,

GdlDockRequest *request);

static void gdl_dock_item_dock (GdlDockObject *object,

GdlDockObject *requestor,

GdlDockPlacement position,

GValue *other_data);

static void gdl_dock_item_popup_menu (GdlDockItem *item,

guint button,

guint32 time);

static void gdl_dock_item_drag_start (GdlDockItem *item);

static void gdl_dock_item_drag_end (GdlDockItem *item,

gboolean cancel);

static void gdl_dock_item_tab_button (GtkWidget *widget,

GdkEventButton *event,

gpointer data);

static void gdl_dock_item_hide_cb (GtkWidget *widget,

GdlDockItem *item);

static void gdl_dock_item_lock_cb (GtkWidget *widget,

GdlDockItem *item);

static void gdl_dock_item_unlock_cb (GtkWidget *widget,

GdlDockItem *item);

static void gdl_dock_item_showhide_grip (GdlDockItem *item);

static void gdl_dock_item_real_set_orientation (GdlDockItem *item,

GtkOrientation orientation);

static void gdl_dock_param_export_gtk_orientation (const GValue *src,

GValue *dst);

static void gdl_dock_param_import_gtk_orientation (const GValue *src,

GValue *dst);

enum {

PROP_0,

PROP_ORIENTATION,

PROP_RESIZE,

PROP_BEHAVIOR,

PROP_LOCKED,

PROP_PREFERRED_WIDTH,

PROP_PREFERRED_HEIGHT

};

enum {

DOCK_DRAG_BEGIN,

DOCK_DRAG_MOTION,

DOCK_DRAG_END,

MOVE_FOCUS_CHILD,

LAST_SIGNAL

};

static guint gdl_dock_item_signals [LAST_SIGNAL] = { 0 };

#define GDL_DOCK_ITEM_GRIP_SHOWN(item) \

(GDL_DOCK_ITEM_HAS_GRIP (item))

struct _GdlDockItemPrivate {

GtkWidget *menu;

gboolean grip_shown;

GtkWidget *grip;

guint grip_size;

GtkWidget *tab_label;

gint preferred_width;

gint preferred_height;

GdlDockPlaceholder *ph;

gint start_x, start_y;

};

#define SPLIT_RATIO 0.4

GDL_CLASS_BOILERPLATE (GdlDockItem, gdl_dock_item, GdlDockObject, GDL_TYPE_DOCK_OBJECT);

static void

add_tab_bindings (GtkBindingSet *binding_set,

GdkModifierType modifiers,

GtkDirectionType direction)

{

gtk_binding_entry_add_signal (binding_set, GDK_Tab, modifiers,

"move_focus_child", 1,

GTK_TYPE_DIRECTION_TYPE, direction);

gtk_binding_entry_add_signal (binding_set, GDK_KP_Tab, modifiers,

"move_focus_child", 1,

GTK_TYPE_DIRECTION_TYPE, direction);

}

static void

add_arrow_bindings (GtkBindingSet *binding_set,

guint keysym,

GtkDirectionType direction)

{

guint keypad_keysym = keysym - GDK_Left + GDK_KP_Left;

gtk_binding_entry_add_signal (binding_set, keysym, 0,

"move_focus_child", 1,

GTK_TYPE_DIRECTION_TYPE, direction);

gtk_binding_entry_add_signal (binding_set, keysym, GDK_CONTROL_MASK,

"move_focus_child", 1,

GTK_TYPE_DIRECTION_TYPE, direction);

gtk_binding_entry_add_signal (binding_set, keysym, GDK_CONTROL_MASK,

"move_focus_child", 1,

GTK_TYPE_DIRECTION_TYPE, direction);

gtk_binding_entry_add_signal (binding_set, keypad_keysym, GDK_CONTROL_MASK,

"move_focus_child", 1,

GTK_TYPE_DIRECTION_TYPE, direction);

}

static void

gdl_dock_item_class_init (GdlDockItemClass *klass)

{

static gboolean style_initialized = FALSE;

GObjectClass *g_object_class;

GtkObjectClass *gtk_object_class;

GtkWidgetClass *widget_class;

GtkContainerClass *container_class;

GdlDockObjectClass *object_class;

GtkBindingSet *binding_set;

g_object_class = G_OBJECT_CLASS (klass);

gtk_object_class = GTK_OBJECT_CLASS (klass);

widget_class = GTK_WIDGET_CLASS (klass);

container_class = GTK_CONTAINER_CLASS (klass);

object_class = GDL_DOCK_OBJECT_CLASS (klass);

g_object_class->constructor = gdl_dock_item_constructor;

g_object_class->set_property = gdl_dock_item_set_property;

g_object_class->get_property = gdl_dock_item_get_property;

gtk_object_class->destroy = gdl_dock_item_destroy;

widget_class->realize = gdl_dock_item_realize;

widget_class->map = gdl_dock_item_map;

widget_class->unmap = gdl_dock_item_unmap;

widget_class->size_request = gdl_dock_item_size_request;

widget_class->size_allocate = gdl_dock_item_size_allocate;

widget_class->style_set = gdl_dock_item_style_set;

widget_class->expose_event = gdl_dock_item_expose;

widget_class->button_press_event = gdl_dock_item_button_changed;

widget_class->button_release_event = gdl_dock_item_button_changed;

widget_class->motion_notify_event = gdl_dock_item_motion;

widget_class->key_press_event = gdl_dock_item_key_press;

container_class->add = gdl_dock_item_add;

container_class->remove = gdl_dock_item_remove;

container_class->forall = gdl_dock_item_forall;

container_class->child_type = gdl_dock_item_child_type;

container_class->set_focus_child = gdl_dock_item_set_focus_child;

object_class->is_compound = FALSE;

object_class->dock_request = gdl_dock_item_dock_request;

object_class->dock = gdl_dock_item_dock;

/* properties */

g_object_class_install_property (

g_object_class, PROP_ORIENTATION,

g_param_spec_enum ("orientation", _("Orientation"),

_("Orientation of the docking item"),

GTK_TYPE_ORIENTATION,

GTK_ORIENTATION_VERTICAL,

G_PARAM_READWRITE | G_PARAM_CONSTRUCT |

GDL_DOCK_PARAM_EXPORT));

/* --- register exporter/importer for GTK_ORIENTATION */

g_value_register_transform_func (GTK_TYPE_ORIENTATION, GDL_TYPE_DOCK_PARAM,

gdl_dock_param_export_gtk_orientation);

g_value_register_transform_func (GDL_TYPE_DOCK_PARAM, GTK_TYPE_ORIENTATION,

gdl_dock_param_import_gtk_orientation);

/* --- end of registration */

g_object_class_install_property (

g_object_class, PROP_RESIZE,

g_param_spec_boolean ("resize", _("Resizable"),

_("If set, the dock item can be resized when "

"docked in a GtkPanel widget"),

TRUE,

G_PARAM_READWRITE));

g_object_class_install_property (

g_object_class, PROP_BEHAVIOR,

g_param_spec_flags ("behavior", _("Item behavior"),

_("General behavior for the dock item (i.e. "

"whether it can float, if it's locked, etc.)"),

GDL_TYPE_DOCK_ITEM_BEHAVIOR,

GDL_DOCK_ITEM_BEH_NORMAL,

G_PARAM_READWRITE));

g_object_class_install_property (

g_object_class, PROP_LOCKED,

g_param_spec_boolean ("locked", _("Locked"),

_("If set, the dock item cannot be dragged around "

"and it doesn't show a grip"),

FALSE,

G_PARAM_READWRITE |

GDL_DOCK_PARAM_EXPORT));

g_object_class_install_property (

g_object_class, PROP_PREFERRED_WIDTH,

g_param_spec_int ("preferred-width", _("Preferred width"),

_("Preferred width for the dock item"),

-1, G_MAXINT, -1,

G_PARAM_READWRITE));

g_object_class_install_property (

g_object_class, PROP_PREFERRED_HEIGHT,

g_param_spec_int ("preferred-height", _("Preferred height"),

_("Preferred height for the dock item"),

-1, G_MAXINT, -1,

G_PARAM_READWRITE));

/* signals */

gdl_dock_item_signals [DOCK_DRAG_BEGIN] =

g_signal_new ("dock-drag-begin",

G_TYPE_FROM_CLASS (klass),

G_SIGNAL_RUN_FIRST,

G_STRUCT_OFFSET (GdlDockItemClass, dock_drag_begin),

NULL, /* accumulator */

NULL, /* accu_data */

gdl_marshal_VOID__VOID,

G_TYPE_NONE,

0);

gdl_dock_item_signals [DOCK_DRAG_MOTION] =

g_signal_new ("dock-drag-motion",

G_TYPE_FROM_CLASS (klass),

G_SIGNAL_RUN_FIRST,

G_STRUCT_OFFSET (GdlDockItemClass, dock_drag_motion),

NULL, /* accumulator */

NULL, /* accu_data */

gdl_marshal_VOID__INT_INT,

G_TYPE_NONE,

2,

G_TYPE_INT,

G_TYPE_INT);

gdl_dock_item_signals [DOCK_DRAG_END] =

g_signal_new ("dock_drag_end",

G_TYPE_FROM_CLASS (klass),

G_SIGNAL_RUN_FIRST,

G_STRUCT_OFFSET (GdlDockItemClass, dock_drag_end),

NULL, /* accumulator */

NULL, /* accu_data */

gdl_marshal_VOID__BOOLEAN,

G_TYPE_NONE,

1,

G_TYPE_BOOLEAN);

gdl_dock_item_signals [MOVE_FOCUS_CHILD] =

g_signal_new ("move_focus_child",

G_TYPE_FROM_CLASS (klass),

G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,

G_STRUCT_OFFSET (GdlDockItemClass, move_focus_child),

NULL, /* accumulator */

NULL, /* accu_data */

gdl_marshal_VOID__ENUM,

G_TYPE_NONE,

1,

GTK_TYPE_DIRECTION_TYPE);

/* key bindings */

binding_set = gtk_binding_set_by_class (klass);

add_arrow_bindings (binding_set, GDK_Up, GTK_DIR_UP);

add_arrow_bindings (binding_set, GDK_Down, GTK_DIR_DOWN);

add_arrow_bindings (binding_set, GDK_Left, GTK_DIR_LEFT);

add_arrow_bindings (binding_set, GDK_Right, GTK_DIR_RIGHT);

add_tab_bindings (binding_set, 0, GTK_DIR_TAB_FORWARD);

add_tab_bindings (binding_set, GDK_CONTROL_MASK, GTK_DIR_TAB_FORWARD);

add_tab_bindings (binding_set, GDK_SHIFT_MASK, GTK_DIR_TAB_BACKWARD);

add_tab_bindings (binding_set, GDK_CONTROL_MASK | GDK_SHIFT_MASK, GTK_DIR_TAB_BACKWARD);

klass->has_grip = TRUE;

klass->dock_drag_begin = NULL;

klass->dock_drag_motion = NULL;

klass->dock_drag_end = NULL;

klass->move_focus_child = gdl_dock_item_move_focus_child;

klass->set_orientation = gdl_dock_item_real_set_orientation;

if (!style_initialized)

{

style_initialized = TRUE;

gtk_rc_parse_string (

"style \"gdl-dock-item-default\" {\n"

"xthickness = 0\n"

"ythickness = 0\n"

"}\n"

"class \"GdlDockItem\" "

"style : gtk \"gdl-dock-item-default\"\n");

}

}

static void

gdl_dock_item_instance_init (GdlDockItem *item)

{

gtk_widget_set_has_window (GTK_WIDGET (item), TRUE);

gtk_widget_set_can_focus (GTK_WIDGET (item), TRUE);

item->child = NULL;

item->orientation = GTK_ORIENTATION_VERTICAL;

item->behavior = GDL_DOCK_ITEM_BEH_NORMAL;

item->resize = TRUE;

item->dragoff_x = item->dragoff_y = 0;

item->_priv = g_new0 (GdlDockItemPrivate, 1);

item->_priv->menu = NULL;

item->_priv->preferred_width = item->_priv->preferred_height = -1;

item->_priv->tab_label = NULL;

item->_priv->ph = NULL;

}

static GObject *

gdl_dock_item_constructor (GType type,

guint n_construct_properties,

GObjectConstructParam *construct_param)

{

GObject *g_object;

g_object = GDL_CALL_PARENT_WITH_DEFAULT (G_OBJECT_CLASS,

constructor,

(type,

n_construct_properties,

construct_param),

NULL);

if (g_object) {

GdlDockItem *item = GDL_DOCK_ITEM (g_object);

if (GDL_DOCK_ITEM_HAS_GRIP (item)) {

item->_priv->grip_shown = TRUE;

item->_priv->grip = gdl_dock_item_grip_new (item);

gtk_widget_set_parent (item->_priv->grip, GTK_WIDGET (item));

gtk_widget_show (item->_priv->grip);

}

else {

item->_priv->grip_shown = FALSE;

}

}

return g_object;

}

static void

gdl_dock_item_set_property (GObject *g_object,

guint prop_id,

const GValue *value,

GParamSpec *pspec)

{

GdlDockItem *item = GDL_DOCK_ITEM (g_object);

switch (prop_id) {

case PROP_ORIENTATION:

gdl_dock_item_set_orientation (item, g_value_get_enum (value));

break;

case PROP_RESIZE:

item->resize = g_value_get_boolean (value);

gtk_widget_queue_resize (GTK_WIDGET (item));

break;

case PROP_BEHAVIOR:

{

GdlDockItemBehavior old_beh = item->behavior;

item->behavior = g_value_get_flags (value);

if ((old_beh ^ item->behavior) & GDL_DOCK_ITEM_BEH_LOCKED) {

if (GDL_DOCK_OBJECT_GET_MASTER (item))

g_signal_emit_by_name (GDL_DOCK_OBJECT_GET_MASTER (item),

"layout-changed");

g_object_notify (g_object, "locked");

gdl_dock_item_showhide_grip (item);

}

break;

}

case PROP_LOCKED:

{

GdlDockItemBehavior old_beh = item->behavior;

if (g_value_get_boolean (value))

item->behavior |= GDL_DOCK_ITEM_BEH_LOCKED;

else

item->behavior &= ~GDL_DOCK_ITEM_BEH_LOCKED;

if (old_beh ^ item->behavior) {

gdl_dock_item_showhide_grip (item);

g_object_notify (g_object, "behavior");

if (GDL_DOCK_OBJECT_GET_MASTER (item))

g_signal_emit_by_name (GDL_DOCK_OBJECT_GET_MASTER (item),

"layout-changed");

}

break;

}

case PROP_PREFERRED_WIDTH:

item->_priv->preferred_width = g_value_get_int (value);

break;

case PROP_PREFERRED_HEIGHT:

item->_priv->preferred_height = g_value_get_int (value);

break;

default:

G_OBJECT_WARN_INVALID_PROPERTY_ID (g_object, prop_id, pspec);

break;

}

}

static void

gdl_dock_item_get_property (GObject *g_object,

guint prop_id,

GValue *value,

GParamSpec *pspec)

{

GdlDockItem *item = GDL_DOCK_ITEM (g_object);

switch (prop_id) {

case PROP_ORIENTATION:

g_value_set_enum (value, item->orientation);

break;

case PROP_RESIZE:

g_value_set_boolean (value, item->resize);

break;

case PROP_BEHAVIOR:

g_value_set_flags (value, item->behavior);

break;

case PROP_LOCKED:

g_value_set_boolean (value, !GDL_DOCK_ITEM_NOT_LOCKED (item));

break;

case PROP_PREFERRED_WIDTH:

g_value_set_int (value, item->_priv->preferred_width);

break;

case PROP_PREFERRED_HEIGHT:

g_value_set_int (value, item->_priv->preferred_height);

break;

default:

G_OBJECT_WARN_INVALID_PROPERTY_ID (g_object, prop_id, pspec);

break;

}

}

static void

gdl_dock_item_destroy (GtkObject *object)

{

GdlDockItem *item = GDL_DOCK_ITEM (object);

if (item->_priv) {

GdlDockItemPrivate *priv = item->_priv;

if (priv->tab_label) {

gdl_dock_item_set_tablabel (item, NULL);

};

if (priv->menu) {

gtk_menu_detach (GTK_MENU (priv->menu));

priv->menu = NULL;

};

if (priv->grip) {

gtk_container_remove (GTK_CONTAINER (item), priv->grip);

priv->grip = NULL;

}

if (priv->ph) {

g_object_unref (priv->ph);

priv->ph = NULL;

}

item->_priv = NULL;

g_free (priv);

}

GDL_CALL_PARENT (GTK_OBJECT_CLASS, destroy, (object));

}

static void

gdl_dock_item_add (GtkContainer *container,

GtkWidget *widget)

{

GdlDockItem *item;

g_return_if_fail (GDL_IS_DOCK_ITEM (container));

item = GDL_DOCK_ITEM (container);

if (GDL_IS_DOCK_OBJECT (widget)) {

g_warning (_("You can't add a dock object (%p of type %s) inside a %s. "

"Use a GdlDock or some other compound dock object."),

widget, G_OBJECT_TYPE_NAME (widget), G_OBJECT_TYPE_NAME (item));

return;

}

if (item->child != NULL) {

g_warning (_("Attempting to add a widget with type %s to a %s, "

"but it can only contain one widget at a time; "

"it already contains a widget of type %s"),

G_OBJECT_TYPE_NAME (widget),

G_OBJECT_TYPE_NAME (item),

G_OBJECT_TYPE_NAME (item->child));

return;

}

gtk_widget_set_parent (widget, GTK_WIDGET (item));

item->child = widget;

}

static void

gdl_dock_item_remove (GtkContainer *container,

GtkWidget *widget)

{

GdlDockItem *item;

gboolean was_visible;

g_return_if_fail (GDL_IS_DOCK_ITEM (container));

item = GDL_DOCK_ITEM (container);

if (item->_priv && widget == item->_priv->grip) {

gboolean grip_was_visible = gtk_widget_get_visible (widget);

gtk_widget_unparent (widget);

item->_priv->grip = NULL;

if (grip_was_visible)

gtk_widget_queue_resize (GTK_WIDGET (item));

return;

}

if (GDL_DOCK_ITEM_IN_DRAG (item)) {

gdl_dock_item_drag_end (item, TRUE);

}

g_return_if_fail (item->child == widget);

was_visible = gtk_widget_get_visible (widget);

gtk_widget_unparent (widget);

item->child = NULL;

if (was_visible)

gtk_widget_queue_resize (GTK_WIDGET (container));

}

static void

gdl_dock_item_forall (GtkContainer *container,

gboolean include_internals,

GtkCallback callback,

gpointer callback_data)

{

GdlDockItem *item = (GdlDockItem *) container;

g_return_if_fail (callback != NULL);

if (include_internals && item->_priv->grip)

(* callback) (item->_priv->grip, callback_data);

if (item->child)

(* callback) (item->child, callback_data);

}

static GType

gdl_dock_item_child_type (GtkContainer *container)

{

g_return_val_if_fail (GDL_IS_DOCK_ITEM (container), G_TYPE_NONE);

if (!GDL_DOCK_ITEM (container)->child)

return GTK_TYPE_WIDGET;

else

return G_TYPE_NONE;

}

static void

gdl_dock_item_set_focus_child (GtkContainer *container,

GtkWidget *child)

{

g_return_if_fail (GDL_IS_DOCK_ITEM (container));

if (GTK_CONTAINER_CLASS (parent_class)->set_focus_child) {

(* GTK_CONTAINER_CLASS (parent_class)->set_focus_child) (container, child);

}

gdl_dock_item_showhide_grip (GDL_DOCK_ITEM (container));

}

static void

gdl_dock_item_size_request (GtkWidget *widget,

GtkRequisition *requisition)

{

GtkRequisition child_requisition;

GtkRequisition grip_requisition;

GdlDockItem *item;

g_return_if_fail (GDL_IS_DOCK_ITEM (widget));

g_return_if_fail (requisition != NULL);

item = GDL_DOCK_ITEM (widget);

/* If our child is not visible, we still request its size, since

if (item->child)

gtk_widget_size_request (item->child, &child_requisition);

else {

child_requisition.width = 0;

child_requisition.height = 0;

}

if (item->orientation == GTK_ORIENTATION_HORIZONTAL) {

if (GDL_DOCK_ITEM_GRIP_SHOWN (item)) {

gtk_widget_size_request (item->_priv->grip, &grip_requisition);

requisition->width = grip_requisition.width;

} else {

requisition->width = 0;

}

if (item->child) {

requisition->width += child_requisition.width;

requisition->height = child_requisition.height;

} else

requisition->height = 0;

} else {

if (GDL_DOCK_ITEM_GRIP_SHOWN (item)) {

gtk_widget_size_request (item->_priv->grip, &grip_requisition);

requisition->height = grip_requisition.height;

} else {

requisition->height = 0;

}

if (item->child) {

requisition->width = child_requisition.width;

requisition->height += child_requisition.height;

} else

requisition->width = 0;

}

requisition->width += (GTK_CONTAINER (widget)->border_width + widget->style->xthickness) * 2;

requisition->height += (GTK_CONTAINER (widget)->border_width + widget->style->ythickness) * 2;

widget->requisition = *requisition;

}

static void

gdl_dock_item_size_allocate (GtkWidget *widget,

GtkAllocation *allocation)

{

GdlDockItem *item;

g_return_if_fail (GDL_IS_DOCK_ITEM (widget));

g_return_if_fail (allocation != NULL);

item = GDL_DOCK_ITEM (widget);

widget->allocation = *allocation;

/* Once size is allocated, preferred size is no longer necessary */

item->_priv->preferred_height = -1;

item->_priv->preferred_width = -1;

if (gtk_widget_get_realized (widget))

gdk_window_move_resize (widget->window,

widget->allocation.x,

widget->allocation.y,

widget->allocation.width,

widget->allocation.height);

if (item->child && gtk_widget_get_visible (item->child)) {

GtkAllocation child_allocation;

int border_width;

border_width = GTK_CONTAINER (widget)->border_width;

child_allocation.x = border_width + widget->style->xthickness;

child_allocation.y = border_width + widget->style->ythickness;

child_allocation.width = allocation->width

- 2 * (border_width + widget->style->xthickness);

child_allocation.height = allocation->height

- 2 * (border_width + widget->style->ythickness);

if (GDL_DOCK_ITEM_GRIP_SHOWN (item)) {

GtkAllocation grip_alloc = child_allocation;

GtkRequisition grip_req;

gtk_widget_size_request (item->_priv->grip, &grip_req);

if (item->orientation == GTK_ORIENTATION_HORIZONTAL) {

child_allocation.x += grip_req.width;

child_allocation.width -= grip_req.width;

grip_alloc.width = grip_req.width;

} else {

child_allocation.y += grip_req.height;

child_allocation.height -= grip_req.height;

grip_alloc.height = grip_req.height;

}

if (item->_priv->grip)

gtk_widget_size_allocate (item->_priv->grip, &grip_alloc);

}

/* Allocation can't be negative */

if (child_allocation.width < 0)

child_allocation.width = 0;

if (child_allocation.height < 0)

child_allocation.height = 0;

gtk_widget_size_allocate (item->child, &child_allocation);

}

}

static void

gdl_dock_item_map (GtkWidget *widget)

{

GdlDockItem *item;

g_return_if_fail (widget != NULL);

g_return_if_fail (GDL_IS_DOCK_ITEM (widget));

gtk_widget_set_mapped (widget, TRUE);

item = GDL_DOCK_ITEM (widget);

gdk_window_show (widget->window);

if (item->child

&& gtk_widget_get_visible (item->child)

&& !gtk_widget_get_mapped (item->child))

gtk_widget_map (item->child);

if (item->_priv->grip

&& gtk_widget_get_visible (item->_priv->grip)

&& !gtk_widget_get_mapped (item->_priv->grip))

gtk_widget_map (item->_priv->grip);

}

static void

gdl_dock_item_unmap (GtkWidget *widget)

{

GdlDockItem *item;

g_return_if_fail (widget != NULL);

g_return_if_fail (GDL_IS_DOCK_ITEM (widget));

gtk_widget_set_mapped (widget, FALSE);

item = GDL_DOCK_ITEM (widget);

gdk_window_hide (widget->window);

if (item->_priv->grip)

gtk_widget_unmap (item->_priv->grip);

}

static void

gdl_dock_item_realize (GtkWidget *widget)

{

GdkWindowAttr attributes;

gint attributes_mask;

GdlDockItem *item;

g_return_if_fail (widget != NULL);

g_return_if_fail (GDL_IS_DOCK_ITEM (widget));

item = GDL_DOCK_ITEM (widget);

gtk_widget_set_realized (widget, TRUE);

/* widget window */

attributes.x = widget->allocation.x;

attributes.y = widget->allocation.y;

attributes.width = widget->allocation.width;

attributes.height = widget->allocation.height;

attributes.window_type = GDK_WINDOW_CHILD;

attributes.wclass = GDK_INPUT_OUTPUT;

attributes.visual = gtk_widget_get_visual (widget);

attributes.colormap = gtk_widget_get_colormap (widget);

attributes.event_mask = (gtk_widget_get_events (widget) |

GDK_EXPOSURE_MASK |

GDK_BUTTON1_MOTION_MASK |

GDK_BUTTON_PRESS_MASK |

GDK_BUTTON_RELEASE_MASK);

attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;

widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),

&attributes, attributes_mask);

gdk_window_set_user_data (widget->window, widget);

widget->style = gtk_style_attach (widget->style, widget->window);

gtk_style_set_background (widget->style, widget->window,

gtk_widget_get_state (GTK_WIDGET(item)));

gdk_window_set_back_pixmap (widget->window, NULL, TRUE);

if (item->child)

gtk_widget_set_parent_window (item->child, widget->window);

if (item->_priv->grip)

gtk_widget_set_parent_window (item->_priv->grip, widget->window);

}

static void

gdl_dock_item_style_set (GtkWidget *widget,

GtkStyle *previous_style)

{

(void)previous_style;

g_return_if_fail (widget != NULL);

g_return_if_fail (GDL_IS_DOCK_ITEM (widget));

if (gtk_widget_get_realized (widget) && gtk_widget_get_has_window (widget)) {

gtk_style_set_background (widget->style, widget->window,

widget->state);

if (gtk_widget_is_drawable (widget))

gdk_window_clear (widget->window);

}

}

static void

gdl_dock_item_paint (GtkWidget *widget,

GdkEventExpose *event)

{

gtk_paint_box (widget->style,

widget->window,

gtk_widget_get_state (widget),

GTK_SHADOW_NONE,

&event->area, widget,

"dockitem",

0, 0, -1, -1);

}

static gint

gdl_dock_item_expose (GtkWidget *widget,

GdkEventExpose *event)

{

g_return_val_if_fail (widget != NULL, FALSE);

g_return_val_if_fail (GDL_IS_DOCK_ITEM (widget), FALSE);

g_return_val_if_fail (event != NULL, FALSE);

if (gtk_widget_is_drawable (widget) && event->window == widget->window) {

gdl_dock_item_paint (widget, event);

GDL_CALL_PARENT_GBOOLEAN(GTK_WIDGET_CLASS, expose_event, (widget,event));

}

return FALSE;

}

static void

gdl_dock_item_move_focus_child (GdlDockItem *item,

GtkDirectionType dir)

{

g_return_if_fail (GDL_IS_DOCK_ITEM (item));

gtk_widget_child_focus (GTK_WIDGET (item->child), dir);

}

#define EVENT_IN_GRIP_EVENT_WINDOW(ev,gr) \

((gr) != NULL && (ev)->window == GDL_DOCK_ITEM_GRIP (gr)->title_window)

#define EVENT_IN_TABLABEL_EVENT_WINDOW(ev,tl) \

((tl) != NULL && (ev)->window == GDL_DOCK_TABLABEL (tl)->event_window)

static gint

gdl_dock_item_button_changed (GtkWidget *widget,

GdkEventButton *event)

{

GdlDockItem *item;

gboolean locked;

gboolean event_handled;

gboolean in_handle;

GdkCursor *cursor;

g_return_val_if_fail (widget != NULL, FALSE);

g_return_val_if_fail (GDL_IS_DOCK_ITEM (widget), FALSE);

g_return_val_if_fail (event != NULL, FALSE);

item = GDL_DOCK_ITEM (widget);

if (!EVENT_IN_GRIP_EVENT_WINDOW (event, item->_priv->grip))

return FALSE;

locked = !GDL_DOCK_ITEM_NOT_LOCKED (item);

event_handled = FALSE;

/* Check if user clicked on the drag handle. */

switch (item->orientation) {

case GTK_ORIENTATION_HORIZONTAL:

in_handle = event->x < item->_priv->grip->allocation.width;

break;

case GTK_ORIENTATION_VERTICAL:

in_handle = event->y < item->_priv->grip->allocation.height;

break;

default:

in_handle = FALSE;

break;

}

/* Left mousebutton click on dockitem. */

if (!locked && event->button == 1 && event->type == GDK_BUTTON_PRESS) {

if (!gdl_dock_item_or_child_has_focus (item))

gtk_widget_grab_focus (GTK_WIDGET (item));

/* Set in_drag flag, grab pointer and call begin drag operation. */

if (in_handle) {

item->_priv->start_x = event->x;

item->_priv->start_y = event->y;

GDL_DOCK_ITEM_SET_FLAGS (item, GDL_DOCK_IN_PREDRAG);

cursor = gdk_cursor_new_for_display (gtk_widget_get_display (widget),

GDK_FLEUR);

gdk_window_set_cursor (GDL_DOCK_ITEM_GRIP (item->_priv->grip)->title_window,

cursor);

gdk_cursor_unref (cursor);

event_handled = TRUE;

};

} else if (!locked &&event->type == GDK_BUTTON_RELEASE && event->button == 1) {

if (GDL_DOCK_ITEM_IN_DRAG (item)) {

/* User dropped widget somewhere. */

gdl_dock_item_drag_end (item, FALSE);

gtk_widget_grab_focus (GTK_WIDGET (item));

event_handled = TRUE;

}

else if (GDL_DOCK_ITEM_IN_PREDRAG (item)) {

GDL_DOCK_ITEM_UNSET_FLAGS (item, GDL_DOCK_IN_PREDRAG);

event_handled = TRUE;

}

/* we check the window since if the item was redocked it's

if (GDL_DOCK_ITEM_GRIP (item->_priv->grip)->title_window) {

cursor = gdk_cursor_new_for_display (gtk_widget_get_display (widget),

GDK_HAND2);

gdk_window_set_cursor (GDL_DOCK_ITEM_GRIP (item->_priv->grip)->title_window,

cursor);

gdk_cursor_unref (cursor);

}

} else if (event->button == 3 && event->type == GDK_BUTTON_PRESS && in_handle) {

gdl_dock_item_popup_menu (item, event->button, event->time);

event_handled = TRUE;

}

return event_handled;

}

static gint

gdl_dock_item_motion (GtkWidget *widget,

GdkEventMotion *event)

{

GdlDockItem *item;

gint new_x, new_y;

g_return_val_if_fail (widget != NULL, FALSE);

g_return_val_if_fail (GDL_IS_DOCK_ITEM (widget), FALSE);

g_return_val_if_fail (event != NULL, FALSE);

item = GDL_DOCK_ITEM (widget);

if (!EVENT_IN_GRIP_EVENT_WINDOW (event, item->_priv->grip))

return FALSE;

if (GDL_DOCK_ITEM_IN_PREDRAG (item)) {

if (gtk_drag_check_threshold (widget,

item->_priv->start_x,

item->_priv->start_y,

event->x,

event->y)) {

GDL_DOCK_ITEM_UNSET_FLAGS (item, GDL_DOCK_IN_PREDRAG);

item->dragoff_x = item->_priv->start_x;

item->dragoff_y = item->_priv->start_y;

gdl_dock_item_drag_start (item);

}

}

if (!GDL_DOCK_ITEM_IN_DRAG (item))

return FALSE;

new_x = event->x_root;

new_y = event->y_root;

g_signal_emit (item, gdl_dock_item_signals [DOCK_DRAG_MOTION],

0, new_x, new_y);

return TRUE;

}

static gboolean

gdl_dock_item_key_press (GtkWidget *widget,

GdkEventKey *event)

{

gboolean event_handled = FALSE;

if (GDL_DOCK_ITEM_IN_DRAG (widget)) {

if (event->keyval == GDK_Escape) {

gdl_dock_item_drag_end (GDL_DOCK_ITEM (widget), TRUE);

event_handled = TRUE;

}

}

if (event_handled)

return TRUE;

else

return GDL_CALL_PARENT_WITH_DEFAULT (GTK_WIDGET_CLASS,

key_press_event,

(widget, event),

FALSE);

}

static gboolean

gdl_dock_item_dock_request (GdlDockObject *object,

gint x,

gint y,

GdlDockRequest *request)

{

GtkAllocation *alloc;

gint rel_x, rel_y;

/* we get (x,y) in our allocation coordinates system */

/* Get item's allocation. */

alloc = &(GTK_WIDGET (object)->allocation);

/* Get coordinates relative to our window. */

rel_x = x - alloc->x;

rel_y = y - alloc->y;

/* Location is inside. */

if (rel_x > 0 && rel_x < alloc->width &&

rel_y > 0 && rel_y < alloc->height) {

float rx, ry;

GtkRequisition my, other;

gint divider = -1;

/* this are for calculating the extra docking parameter */

gdl_dock_item_preferred_size (GDL_DOCK_ITEM (request->applicant), &other);

gdl_dock_item_preferred_size (GDL_DOCK_ITEM (object), &my);

/* Calculate location in terms of the available space (0-100%). */

rx = (float) rel_x / alloc->width;

ry = (float) rel_y / alloc->height;

/* Determine dock location. */

if (rx < SPLIT_RATIO) {

request->position = GDL_DOCK_LEFT;

divider = other.width;

}

else if (rx > (1 - SPLIT_RATIO)) {

request->position = GDL_DOCK_RIGHT;

rx = 1 - rx;

divider = MAX (0, my.width - other.width);

}

else if (ry < SPLIT_RATIO && ry < rx) {

request->position = GDL_DOCK_TOP;

divider = other.height;

}

else if (ry > (1 - SPLIT_RATIO) && (1 - ry) < rx) {

request->position = GDL_DOCK_BOTTOM;

divider = MAX (0, my.height - other.height);

}

else

request->position = GDL_DOCK_CENTER;

/* Reset rectangle coordinates to entire item. */

request->rect.x = 0;

request->rect.y = 0;

request->rect.width = alloc->width;

request->rect.height = alloc->height;

GdlDockItemBehavior behavior = GDL_DOCK_ITEM(object)->behavior;

/* Calculate docking indicator rectangle size for new locations. Only

if (request->applicant != object) {

switch (request->position) {

case GDL_DOCK_TOP:

if (behavior & GDL_DOCK_ITEM_BEH_CANT_DOCK_TOP)

return FALSE;

request->rect.height *= SPLIT_RATIO;

break;

case GDL_DOCK_BOTTOM:

if (behavior & GDL_DOCK_ITEM_BEH_CANT_DOCK_BOTTOM)

return FALSE;

request->rect.y += request->rect.height * (1 - SPLIT_RATIO);

request->rect.height *= SPLIT_RATIO;

break;

case GDL_DOCK_LEFT:

if (behavior & GDL_DOCK_ITEM_BEH_CANT_DOCK_LEFT)

return FALSE;

request->rect.width *= SPLIT_RATIO;

break;

case GDL_DOCK_RIGHT:

if (behavior & GDL_DOCK_ITEM_BEH_CANT_DOCK_RIGHT)

return FALSE;

request->rect.x += request->rect.width * (1 - SPLIT_RATIO);

request->rect.width *= SPLIT_RATIO;

break;

case GDL_DOCK_CENTER:

if (behavior & GDL_DOCK_ITEM_BEH_CANT_DOCK_CENTER)

return FALSE;

request->rect.x = request->rect.width * SPLIT_RATIO/2;

request->rect.y = request->rect.height * SPLIT_RATIO/2;

request->rect.width = (request->rect.width *

(1 - SPLIT_RATIO/2)) - request->rect.x;

request->rect.height = (request->rect.height *

(1 - SPLIT_RATIO/2)) - request->rect.y;

break;

default:

break;

}

}

/* adjust returned coordinates so they are have the same

request->rect.x += alloc->x;

request->rect.y += alloc->y;

/* Set possible target location and return TRUE. */

request->target = object;

/* fill-in other dock information */

if (request->position != GDL_DOCK_CENTER && divider >= 0) {

if (G_IS_VALUE (&request->extra))

g_value_unset (&request->extra);

g_value_init (&request->extra, G_TYPE_UINT);

g_value_set_uint (&request->extra, (guint) divider);

}

return TRUE;

}

else /* No docking possible at this location. */

return FALSE;

}

static void

gdl_dock_item_dock (GdlDockObject *object,

GdlDockObject *requestor,

GdlDockPlacement position,

GValue *other_data)

{

GdlDockObject *new_parent = NULL;

GdlDockObject *parent, *requestor_parent;

gboolean add_ourselves_first = FALSE;

guint available_space=0;

gint pref_size=-1;

guint splitpos=0;

GtkRequisition req, object_req, parent_req;

parent = gdl_dock_object_get_parent_object (object);

gdl_dock_item_preferred_size (GDL_DOCK_ITEM (requestor), &req);

gdl_dock_item_preferred_size (GDL_DOCK_ITEM (object), &object_req);

if (GDL_IS_DOCK_ITEM (parent))

gdl_dock_item_preferred_size (GDL_DOCK_ITEM (parent), &parent_req);

else

{

parent_req.height = GTK_WIDGET (parent)->allocation.height;

parent_req.width = GTK_WIDGET (parent)->allocation.width;

}

/* If preferred size is not set on the requestor (perhaps a new item),

switch (position) {

case GDL_DOCK_TOP:

case GDL_DOCK_BOTTOM:

if (req.width < 2)

{

req.width = object_req.width;

g_object_set (requestor, "preferred-width", req.width, NULL);

}

if (req.height < 2)

{

req.height = NEW_DOCK_ITEM_RATIO * object_req.height;

g_object_set (requestor, "preferred-height", req.height, NULL);

}

if (req.width > 1)

g_object_set (object, "preferred-width", req.width, NULL);

if (req.height > 1 && object_req.height > req.height)

g_object_set (object, "preferred-height",

object_req.height - req.height, NULL);

break;

case GDL_DOCK_LEFT:

case GDL_DOCK_RIGHT:

if (req.height < 2)

{

req.height = object_req.height;

g_object_set (requestor, "preferred-height", req.height, NULL);

}

if (req.width < 2)

{

req.width = NEW_DOCK_ITEM_RATIO * object_req.width;

g_object_set (requestor, "preferred-width", req.width, NULL);

}

if (req.height > 1)

g_object_set (object, "preferred-height", req.height, NULL);

if (req.width > 1)

g_object_set (object, "preferred-width",

object_req.width - req.width, NULL);

break;

case GDL_DOCK_CENTER:

if (req.height < 2)

{

req.height = object_req.height;

g_object_set (requestor, "preferred-height", req.height, NULL);

}

if (req.width < 2)

{

req.width = object_req.width;

g_object_set (requestor, "preferred-width", req.width, NULL);

}

if (req.height > 1)

g_object_set (object, "preferred-height", req.height, NULL);

if (req.width > 1)

g_object_set (object, "preferred-width", req.width, NULL);

break;

default:

{

GEnumClass *enum_class = G_ENUM_CLASS (g_type_class_ref (GDL_TYPE_DOCK_PLACEMENT));

GEnumValue *enum_value = g_enum_get_value (enum_class, position);

const gchar *name = enum_value ? enum_value->value_name : NULL;

g_warning (_("Unsupported docking strategy %s in dock object of type %s"),

name, G_OBJECT_TYPE_NAME (object));

g_type_class_unref (enum_class);

return;

}

}

switch (position) {

case GDL_DOCK_TOP:

case GDL_DOCK_BOTTOM:

/* get a paned style dock object */

new_parent = g_object_new (gdl_dock_object_type_from_nick ("paned"),

"orientation", GTK_ORIENTATION_VERTICAL,

"preferred-width", object_req.width,

"preferred-height", object_req.height,

NULL);

add_ourselves_first = (position == GDL_DOCK_BOTTOM);

if (parent)

available_space = parent_req.height;

pref_size = req.height;

break;

case GDL_DOCK_LEFT:

case GDL_DOCK_RIGHT:

new_parent = g_object_new (gdl_dock_object_type_from_nick ("paned"),

"orientation", GTK_ORIENTATION_HORIZONTAL,

"preferred-width", object_req.width,

"preferred-height", object_req.height,

NULL);

add_ourselves_first = (position == GDL_DOCK_RIGHT);

if(parent)

available_space = parent_req.width;

pref_size = req.width;

break;

case GDL_DOCK_CENTER:

/* If the parent is already a DockNotebook, we don't need

if (!GDL_IS_DOCK_NOTEBOOK (parent))

{

new_parent = g_object_new (gdl_dock_object_type_from_nick ("notebook"),

"preferred-width", object_req.width,

"preferred-height", object_req.height,

NULL);

add_ourselves_first = TRUE;

}

break;

default:

{

GEnumClass *enum_class = G_ENUM_CLASS (g_type_class_ref (GDL_TYPE_DOCK_PLACEMENT));

GEnumValue *enum_value = g_enum_get_value (enum_class, position);

const gchar *name = enum_value ? enum_value->value_name : NULL;

g_warning (_("Unsupported docking strategy %s in dock object of type %s"),

name, G_OBJECT_TYPE_NAME (object));

g_type_class_unref (enum_class);

return;

}

}

/* freeze the parent so it doesn't reduce automatically */

if (parent)

gdl_dock_object_freeze (parent);

/* ref ourselves since we could be destroyed when detached */

if (new_parent)

{

g_object_ref (object);

GDL_DOCK_OBJECT_SET_FLAGS (object, GDL_DOCK_IN_REFLOW);

gdl_dock_object_detach (object, FALSE);

}

/* freeze the new parent, so reduce won't get called before it's

gdl_dock_object_freeze (new_parent);

/* bind the new parent to our master, so the following adds work */

gdl_dock_object_bind (new_parent, G_OBJECT (GDL_DOCK_OBJECT_GET_MASTER (object)));

/* add the objects */

if (add_ourselves_first) {

gtk_container_add (GTK_CONTAINER (new_parent), GTK_WIDGET (object));

gtk_container_add (GTK_CONTAINER (new_parent), GTK_WIDGET (requestor));

splitpos = available_space - pref_size;

} else {

gtk_container_add (GTK_CONTAINER (new_parent), GTK_WIDGET (requestor));

gtk_container_add (GTK_CONTAINER (new_parent), GTK_WIDGET (object));

splitpos = pref_size;

}

/* add the new parent to the parent */

if (parent)

gtk_container_add (GTK_CONTAINER (parent), GTK_WIDGET (new_parent));

/* show automatic object */

if (gtk_widget_get_visible (GTK_WIDGET (object)))

{

gtk_widget_show (GTK_WIDGET (new_parent));

GDL_DOCK_OBJECT_UNSET_FLAGS (object, GDL_DOCK_IN_REFLOW);

gdl_dock_object_thaw (new_parent);

}

else // If the parent is already a DockNotebook, we don't need

// to create a new one.

gtk_container_add (GTK_CONTAINER (parent), GTK_WIDGET (requestor));

/* use extra docking parameter */

if (position != GDL_DOCK_CENTER && other_data &&

G_VALUE_HOLDS (other_data, G_TYPE_UINT)) {

g_object_set (G_OBJECT (new_parent),

"position", g_value_get_uint (other_data),

NULL);

} else if (splitpos > 0 && splitpos < available_space) {

g_object_set (G_OBJECT (new_parent), "position", splitpos, NULL);

}

g_object_unref (object);

requestor_parent = gdl_dock_object_get_parent_object (requestor);

if (GDL_IS_DOCK_NOTEBOOK (requestor_parent))

{

/* Activate the page we just added */

GdlDockItem* notebook = GDL_DOCK_ITEM (gdl_dock_object_get_parent_object (requestor));

gtk_notebook_set_page (GTK_NOTEBOOK (notebook->child),

gtk_notebook_page_num (GTK_NOTEBOOK (notebook->child), GTK_WIDGET (requestor)));

}

if (parent)

gdl_dock_object_thaw (parent);

}

static void

gdl_dock_item_detach_menu (GtkWidget *widget,

GtkMenu *menu)

{

GdlDockItem *item = GDL_DOCK_ITEM(widget);

(void)menu;

item->_priv->menu = NULL;

}

static void

gdl_dock_item_popup_menu (GdlDockItem *item,

guint button,

guint32 time)

{

GtkWidget *mitem;

if (!item->_priv->menu) {

/* Create popup menu and attach it to the dock item */

item->_priv->menu = gtk_menu_new ();

gtk_menu_attach_to_widget (GTK_MENU (item->_priv->menu),

GTK_WIDGET (item),

gdl_dock_item_detach_menu);

if (item->behavior & GDL_DOCK_ITEM_BEH_LOCKED) {

/* UnLock menuitem */

mitem = gtk_menu_item_new_with_label (_("UnLock"));

gtk_menu_shell_append (GTK_MENU_SHELL (item->_priv->menu),

mitem);

g_signal_connect (mitem, "activate",

G_CALLBACK (gdl_dock_item_unlock_cb), item);

} else {

/* Hide menuitem. */

mitem = gtk_menu_item_new_with_label (_("Hide"));

gtk_menu_shell_append (GTK_MENU_SHELL (item->_priv->menu), mitem);

g_signal_connect (mitem, "activate",

G_CALLBACK (gdl_dock_item_hide_cb), item);

/* Lock menuitem */

mitem = gtk_menu_item_new_with_label (_("Lock"));

gtk_menu_shell_append (GTK_MENU_SHELL (item->_priv->menu), mitem);

g_signal_connect (mitem, "activate",

G_CALLBACK (gdl_dock_item_lock_cb), item);

}

}

/* Show popup menu. */

gtk_widget_show_all (item->_priv->menu);

gtk_menu_popup (GTK_MENU (item->_priv->menu), NULL, NULL, NULL, NULL,

button, time);

}

static void

gdl_dock_item_drag_start (GdlDockItem *item)

{

GdkCursor *fleur;

if (!gtk_widget_get_realized (GTK_WIDGET (item)))

gtk_widget_realize (GTK_WIDGET (item));

GDL_DOCK_ITEM_SET_FLAGS (item, GDL_DOCK_IN_DRAG);

/* grab the pointer so we receive all mouse events */

fleur = gdk_cursor_new (GDK_FLEUR);

/* grab the keyboard & pointer */

gtk_grab_add (GTK_WIDGET (item));

gdk_cursor_unref (fleur);

g_signal_emit (item, gdl_dock_item_signals [DOCK_DRAG_BEGIN], 0);

}

static void

gdl_dock_item_drag_end (GdlDockItem *item,

gboolean cancel)

{

/* Release pointer & keyboard. */

gtk_grab_remove (gtk_grab_get_current ());

g_signal_emit (item, gdl_dock_item_signals [DOCK_DRAG_END], 0, cancel);

GDL_DOCK_ITEM_UNSET_FLAGS (item, GDL_DOCK_IN_DRAG);

}

static void

gdl_dock_item_tab_button (GtkWidget *widget,

GdkEventButton *event,

gpointer data)

{

GdlDockItem *item = GDL_DOCK_ITEM(data);

(void)widget;

if (!GDL_DOCK_ITEM_NOT_LOCKED (item)) {

return;

}

switch (event->button) {

case 1:

/* set dragoff_{x,y} as we the user clicked on the middle of the

switch (item->orientation) {

case GTK_ORIENTATION_HORIZONTAL:

/*item->dragoff_x = item->_priv->grip_size / 2;*/

item->dragoff_y = GTK_WIDGET (data)->allocation.height / 2;

break;

case GTK_ORIENTATION_VERTICAL:

/*item->dragoff_x = GTK_WIDGET (data)->allocation.width / 2;*/

item->dragoff_y = item->_priv->grip_size / 2;

break;

};

gdl_dock_item_drag_start (item);

break;

case 3:

gdl_dock_item_popup_menu (item, event->button, event->time);

break;

default:

break;

};

}

static void

gdl_dock_item_hide_cb (GtkWidget *widget,

GdlDockItem *item)

{

(void)widget;

g_return_if_fail (item != NULL);

gdl_dock_item_hide_item (item);

}

static void

gdl_dock_item_lock_cb (GtkWidget *widget,

GdlDockItem *item)

{

g_return_if_fail (item != NULL);

(void)widget;

gdl_dock_item_lock (item);

}

static void

gdl_dock_item_unlock_cb (GtkWidget *widget,

GdlDockItem *item)

{

g_return_if_fail (item != NULL);

(void)widget;

gdl_dock_item_unlock (item);

}

static void

gdl_dock_item_showhide_grip (GdlDockItem *item)

{

GdkDisplay *display;

GdkCursor *cursor;

gdl_dock_item_detach_menu (GTK_WIDGET (item), NULL);

display = gtk_widget_get_display (GTK_WIDGET (item));

cursor = NULL;

if (item->_priv->grip) {

if (GDL_DOCK_ITEM_GRIP_SHOWN (item) &&

GDL_DOCK_ITEM_NOT_LOCKED(item))

cursor = gdk_cursor_new_for_display (display, GDK_HAND2);

}

if (item->_priv->grip && GDL_DOCK_ITEM_GRIP (item->_priv->grip)->title_window)

gdk_window_set_cursor (GDL_DOCK_ITEM_GRIP (item->_priv->grip)->title_window, cursor);

if (cursor)

gdk_cursor_unref (cursor);

gtk_widget_queue_resize (GTK_WIDGET (item));

}

static void

gdl_dock_item_real_set_orientation (GdlDockItem *item,

GtkOrientation orientation)

{

item->orientation = orientation;

if (gtk_widget_is_drawable (GTK_WIDGET (item)))

gtk_widget_queue_draw (GTK_WIDGET (item));

gtk_widget_queue_resize (GTK_WIDGET (item));

}

GtkWidget *

gdl_dock_item_new (const gchar *name,

const gchar *long_name,

GdlDockItemBehavior behavior)

{

GdlDockItem *item;

item = GDL_DOCK_ITEM (g_object_new (GDL_TYPE_DOCK_ITEM,

"name", name,

"long-name", long_name,

"behavior", behavior,

NULL));

GDL_DOCK_OBJECT_UNSET_FLAGS (item, GDL_DOCK_AUTOMATIC);

gdl_dock_item_set_tablabel (item, gtk_label_new (long_name));

return GTK_WIDGET (item);

}

GtkWidget *

gdl_dock_item_new_with_stock (const gchar *name,

const gchar *long_name,

const gchar *stock_id,

GdlDockItemBehavior behavior)

{

GdlDockItem *item;

item = GDL_DOCK_ITEM (g_object_new (GDL_TYPE_DOCK_ITEM,

"name", name,

"long-name", long_name,

"stock-id", stock_id,

"behavior", behavior,

NULL));

GDL_DOCK_OBJECT_UNSET_FLAGS (item, GDL_DOCK_AUTOMATIC);

gdl_dock_item_set_tablabel (item, gtk_label_new (long_name));

return GTK_WIDGET (item);

}

GtkWidget *

gdl_dock_item_new_with_pixbuf_icon (const gchar *name,

const gchar *long_name,

const GdkPixbuf *pixbuf_icon,

GdlDockItemBehavior behavior)

{

GdlDockItem *item;

item = GDL_DOCK_ITEM (g_object_new (GDL_TYPE_DOCK_ITEM,

"name", name,

"long-name", long_name,

"pixbuf-icon", pixbuf_icon,

"behavior", behavior,

NULL));

GDL_DOCK_OBJECT_UNSET_FLAGS (item, GDL_DOCK_AUTOMATIC);

gdl_dock_item_set_tablabel (item, gtk_label_new (long_name));

return GTK_WIDGET (item);

}

gdl_dock_item_dock_to (GdlDockItem *item,

GdlDockItem *target,

GdlDockPlacement position,

gint docking_param)

{

(void)docking_param;

g_return_if_fail (item != NULL);

g_return_if_fail (item != target);

g_return_if_fail (target != NULL || position == GDL_DOCK_FLOATING);

g_return_if_fail ((item->behavior & GDL_DOCK_ITEM_BEH_NEVER_FLOATING) == 0 || position != GDL_DOCK_FLOATING);

if (position == GDL_DOCK_FLOATING || !target) {

GdlDockObject *controller;

if (!gdl_dock_object_is_bound (GDL_DOCK_OBJECT (item))) {

g_warning (_("Attempt to bind an unbound item %p"), item);

return;

}

controller = gdl_dock_master_get_controller (GDL_DOCK_OBJECT_GET_MASTER (item));

/* FIXME: save previous docking position for later

/* Create new floating dock for widget. */

item->dragoff_x = item->dragoff_y = 0;

gdl_dock_add_floating_item (GDL_DOCK (controller),

item, 0, 0, -1, -1);

} else

gdl_dock_object_dock (GDL_DOCK_OBJECT (target),

GDL_DOCK_OBJECT (item),

position, NULL);

}

gdl_dock_item_set_orientation (GdlDockItem *item,

GtkOrientation orientation)

{

GParamSpec *pspec;

g_return_if_fail (item != NULL);

if (item->orientation != orientation) {

/* push the property down the hierarchy if our child supports it */

if (item->child != NULL) {

pspec = g_object_class_find_property (

G_OBJECT_GET_CLASS (item->child), "orientation");

if (pspec && pspec->value_type == GTK_TYPE_ORIENTATION)

g_object_set (G_OBJECT (item->child),

"orientation", orientation,

NULL);

};

GDL_CALL_VIRTUAL (item, GDL_DOCK_ITEM_GET_CLASS, set_orientation, (item, orientation));

g_object_notify (G_OBJECT (item), "orientation");

}

}

GtkWidget *

gdl_dock_item_get_tablabel (GdlDockItem *item)

{

g_return_val_if_fail (item != NULL, NULL);

g_return_val_if_fail (GDL_IS_DOCK_ITEM (item), NULL);

return item->_priv->tab_label;

}

gdl_dock_item_set_tablabel (GdlDockItem *item,

GtkWidget *tablabel)

{

g_return_if_fail (item != NULL);

if (item->_priv->tab_label) {

/* disconnect and unref the previous tablabel */

if (GDL_IS_DOCK_TABLABEL (item->_priv->tab_label)) {

g_signal_handlers_disconnect_matched (item->_priv->tab_label,

G_SIGNAL_MATCH_DATA,

0, 0, NULL,

NULL, item);

g_object_set (item->_priv->tab_label, "item", NULL, NULL);

}

g_object_unref (item->_priv->tab_label);

item->_priv->tab_label = NULL;

}

if (tablabel) {

g_object_ref_sink (G_OBJECT (tablabel));

item->_priv->tab_label = tablabel;

if (GDL_IS_DOCK_TABLABEL (tablabel)) {

g_object_set (tablabel, "item", item, NULL);

/* connect to tablabel signal */

g_signal_connect (tablabel, "button_pressed_handle",

G_CALLBACK (gdl_dock_item_tab_button), item);

}

}

}

gdl_dock_item_hide_grip (GdlDockItem *item)

{

g_return_if_fail (item != NULL);

if (item->_priv->grip_shown) {

item->_priv->grip_shown = FALSE;

gdl_dock_item_showhide_grip (item);

};

g_warning ("Grips always show unless GDL_DOCK_ITEM_BEH_NO_GRIP is set\n" );

}

gdl_dock_item_show_grip (GdlDockItem *item)

{

g_return_if_fail (item != NULL);

if (!item->_priv->grip_shown) {

item->_priv->grip_shown = TRUE;

gdl_dock_item_showhide_grip (item);

};

}

gdl_dock_item_bind (GdlDockItem *item,

GtkWidget *dock)

{

g_return_if_fail (item != NULL);

g_return_if_fail (dock == NULL || GDL_IS_DOCK (dock));

gdl_dock_object_bind (GDL_DOCK_OBJECT (item),

G_OBJECT (GDL_DOCK_OBJECT_GET_MASTER (dock)));

}

gdl_dock_item_unbind (GdlDockItem *item)

{

g_return_if_fail (item != NULL);

gdl_dock_object_unbind (GDL_DOCK_OBJECT (item));

}

gdl_dock_item_hide_item (GdlDockItem *item)

{

g_return_if_fail (item != NULL);

if (!GDL_DOCK_OBJECT_ATTACHED (item))

/* already hidden/detached */

return;

/* if the object is manual, create a new placeholder to be able to

if (!GDL_DOCK_OBJECT_AUTOMATIC (item)) {

if (item->_priv->ph)

g_object_unref (item->_priv->ph);

gboolean isFloating = FALSE;

gint width=0, height=0, x=0, y = 0;

if (GDL_IS_DOCK (gdl_dock_object_get_parent_object (GDL_DOCK_OBJECT (item))))

{

GdlDock* dock = GDL_DOCK (gdl_dock_object_get_parent_object (GDL_DOCK_OBJECT (item)));

g_object_get (dock,

"floating", &isFloating,

"width", &width,

"height",&height,

"floatx",&x,

"floaty",&y,

NULL);

} else {

item->_priv->preferred_width=GTK_WIDGET (item)->allocation.width;

item->_priv->preferred_height=GTK_WIDGET (item)->allocation.height;

}

item->_priv->ph = GDL_DOCK_PLACEHOLDER (

g_object_new (GDL_TYPE_DOCK_PLACEHOLDER,

"sticky", FALSE,

"host", item,

"width", width,

"height", height,

"floating", isFloating,

"floatx", x,

"floaty", y,

NULL));

g_object_ref_sink (item->_priv->ph);

}

gdl_dock_object_freeze (GDL_DOCK_OBJECT (item));

/* hide our children first, so they can also set placeholders */

if (gdl_dock_object_is_compound (GDL_DOCK_OBJECT (item)))

gtk_container_foreach (GTK_CONTAINER (item),

(GtkCallback) gdl_dock_item_hide_item,

NULL);

/* detach the item recursively */

gdl_dock_object_detach (GDL_DOCK_OBJECT (item), TRUE);

gtk_widget_hide (GTK_WIDGET (item));

gdl_dock_object_thaw (GDL_DOCK_OBJECT (item));

}

gdl_dock_item_iconify_item (GdlDockItem *item)

{

g_return_if_fail (item != NULL);

GDL_DOCK_OBJECT_SET_FLAGS (item, GDL_DOCK_ICONIFIED);

gdl_dock_item_hide_item (item);

}

gdl_dock_item_show_item (GdlDockItem *item)

{

g_return_if_fail (item != NULL);

GDL_DOCK_OBJECT_UNSET_FLAGS (item, GDL_DOCK_ICONIFIED);

if (item->_priv->ph) {

gboolean isFloating=FALSE;

gint width = 0, height = 0, x= 0, y = 0;

g_object_get (G_OBJECT(item->_priv->ph),

"width", &width,

"height", &height,

"floating",&isFloating,

"floatx", &x,

"floaty", &y,

NULL);

if (isFloating) {

GdlDockObject *controller =

gdl_dock_master_get_controller (GDL_DOCK_OBJECT_GET_MASTER (item));

gdl_dock_add_floating_item (GDL_DOCK (controller),

item, x, y, width, height);

} else {

gtk_container_add (GTK_CONTAINER (item->_priv->ph),

GTK_WIDGET (item));

}

g_object_unref (item->_priv->ph);

item->_priv->ph = NULL;

} else if (gdl_dock_object_is_bound (GDL_DOCK_OBJECT (item))) {

GdlDockObject *toplevel;

toplevel = gdl_dock_master_get_controller

(GDL_DOCK_OBJECT_GET_MASTER (item));

if (item->behavior & GDL_DOCK_ITEM_BEH_NEVER_FLOATING) {

g_warning("Object %s has no default position and flag GDL_DOCK_ITEM_BEH_NEVER_FLOATING is set.\n",

GDL_DOCK_OBJECT(item)->name);

} else if (toplevel) {

gdl_dock_object_dock (toplevel, GDL_DOCK_OBJECT (item),

GDL_DOCK_FLOATING, NULL);

} else

g_warning("There is no toplevel window. GdlDockItem %s cannot be shown.\n", GDL_DOCK_OBJECT(item)->name);

} else

g_warning("GdlDockItem %s is not bound. It cannot be shown.\n",

GDL_DOCK_OBJECT(item)->name);

gtk_widget_show (GTK_WIDGET (item));

}

gdl_dock_item_lock (GdlDockItem *item)

{

g_object_set (item, "locked", TRUE, NULL);

}

gdl_dock_item_unlock (GdlDockItem *item)

{

g_object_set (item, "locked", FALSE, NULL);

}

gdl_dock_item_set_default_position (GdlDockItem *item,

GdlDockObject *reference)

{

g_return_if_fail (item != NULL);

if (item->_priv->ph) {

g_object_unref (item->_priv->ph);

item->_priv->ph = NULL;

}

if (reference && GDL_DOCK_OBJECT_ATTACHED (reference)) {

if (GDL_IS_DOCK_PLACEHOLDER (reference)) {

g_object_ref_sink (reference);

item->_priv->ph = GDL_DOCK_PLACEHOLDER (reference);

} else {

item->_priv->ph = GDL_DOCK_PLACEHOLDER (

g_object_new (GDL_TYPE_DOCK_PLACEHOLDER,

"sticky", TRUE,

"host", reference,

NULL));

g_object_ref_sink (item->_priv->ph);

}

}

}

gdl_dock_item_preferred_size (GdlDockItem *item,

GtkRequisition *req)

{

if (!req)

return;

req->width = MAX (item->_priv->preferred_width,

GTK_WIDGET (item)->allocation.width);

req->height = MAX (item->_priv->preferred_height,

GTK_WIDGET (item)->allocation.height);

}

gdl_dock_item_or_child_has_focus (GdlDockItem *item)

{

GtkWidget *item_child;

gboolean item_or_child_has_focus;

g_return_val_if_fail (GDL_IS_DOCK_ITEM (item), FALSE);

for (item_child = GTK_CONTAINER (item)->focus_child;

item_child && GTK_IS_CONTAINER (item_child) && GTK_CONTAINER (item_child)->focus_child;

item_child = GTK_CONTAINER (item_child)->focus_child) ;

item_or_child_has_focus =

(gtk_widget_has_focus (GTK_WIDGET (item)) ||

(GTK_IS_WIDGET (item_child) && gtk_widget_has_focus (item_child)));

return item_or_child_has_focus;

}

static void

gdl_dock_param_export_gtk_orientation (const GValue *src,

GValue *dst)

{

dst->data [0].v_pointer =

g_strdup_printf ("%s", (src->data [0].v_int == GTK_ORIENTATION_HORIZONTAL) ?

"horizontal" : "vertical");

}

static void

gdl_dock_param_import_gtk_orientation (const GValue *src,

GValue *dst)

{

if (!strcmp (src->data [0].v_pointer, "horizontal"))

dst->data [0].v_int = GTK_ORIENTATION_HORIZONTAL;

else

dst->data [0].v_int = GTK_ORIENTATION_VERTICAL;

}